Home / 75,949.43-113,923.70-30,970.61

Finding the Fourth Proportional to 75,949.43, 113,923.70 and 30,970.61

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Solution

The fourth proportional to 75,949.43, 113,923.70 and 30,970.61 is: 46,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,949.43 : 113,923.70 = 30,970.61 : x
  2. Step 2: Convert to fraction form
    75,949.43/113,923.70 = 30,970.61/x
  3. Step 3: Cross multiply
    75,949.43x = 113,923.70 × 30,970.61
  4. Step 4: Simplify right side
    75,949.43x = 3,528,285,757.99
  5. Step 5: Solve for x
    x = 3,528,285,757.99/75,949.43
  6. Step 6: Final answer
    x = 46,455.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.